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Dorman 34202 A/C Compressor Bypass PulleyOE Quality 60-Day Returns
Part #: 34202

Dorman 34202 A/C Compressor Bypass Pulley

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104 vehicles fit this part
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Fitment: Buick, Chevrolet, Oldsmobile, and Pontiac, LeSabre, Park Avenue, Regal, Lumina APV, 88, 98, Silhouette, Bonneville, Trans Sport, Century, Riviera, Cutlass Ciera, Toronado, Reatta, Delta 88, Electra, Somerset, Calais, Grand Am, and Somerset Regal
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Overview of Dorman A/C Compressor Bypass Pulley 34202

The Dorman A/C Compressor Bypass Pulley 34202 is designed for reliable operation in select Buick, Chevrolet, Oldsmobile, and Pontiac vehicles. This pulley assembly includes a durable aluminum bracket and a plastic pulley, engineered to work with serpentine belt systems on FS10 compressors.

  • Material: Aluminum bracket with plastic pulley
  • Outside Diameter: 142 mm
  • Compatible with serpentine belt systems
  • Includes mounting bracket and installation hardware
  • Installation instructions provided
  • Designed for FS10 compressor type
  • Package includes one pulley, bracket, and hardware

Detailed Product Description

The Dorman 34202 A/C Compressor Bypass Pulley is specifically engineered to replace worn or damaged pulleys on FS10 compressors found in various Buick, Chevrolet, Oldsmobile, and Pontiac models. The pulley features a 142 mm outside diameter and is constructed with a plastic pulley mounted on a sturdy aluminum bracket, ensuring durability and proper alignment within the serpentine belt system. This assembly comes complete with the necessary mounting bracket and installation hardware, making it a comprehensive replacement solution. Installation instructions are included to assist with proper fitment and setup.

Compatible Vehicles and Applications

This A/C compressor bypass pulley is compatible with the following makes and models:

  • Buick: Century, LeSabre, Park Avenue, Regal, Riviera
  • Chevrolet: Lumina APV
  • Oldsmobile: 88, 98, Calais, Cutlass Ciera, Delta 88, Silhouette, Toronado
  • Pontiac: Bonneville, Grand Am, Reatta, Trans Sport

Common Issues Addressed by This Pulley

  • Worn or damaged A/C compressor pulley causing belt slippage
  • Noise or vibration from a failing pulley assembly
  • Misalignment of serpentine belt leading to premature wear
  • Failure of the bypass pulley affecting A/C compressor operation
  • Replacement of corroded or broken mounting brackets

Installation Notes and Tips

  • Ensure compatibility with FS10 compressor type before installation
  • Use the included mounting bracket and hardware for secure fitment
  • Follow the provided installation instructions carefully to maintain proper belt alignment
  • Inspect serpentine belt condition during installation and replace if necessary
  • Verify pulley rotation and belt tension after installation

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 34202 A/C Compressor Bypass Pulley is backed by Dorman's limited warranty, providing coverage against defects in material and workmanship. This ensures dependable performance and peace of mind when replacing critical HVAC components on your Buick, Chevrolet, Oldsmobile, or Pontiac vehicle.

BrandDorman
Part Number34202
Belt TypeSerpentine
Compressor TypeFs10
Installation Instructions IncludedYes
MaterialAluminum Bracket
MaterialPlastic Pulley
Mounting Bracket IncludedYes
Mounting Hardware IncludedNo
Number of Pulleys Included1
Outside Diameter142
Package ContentsPulley; Bracket; and Installation Hardware

This part fits 104 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1995BuickLeSabreN/A
1995BuickPark AvenueN/A
1995BuickRegal3.8LV6N/A
1995ChevroletLumina APV3.8LV6N/ARear air conditioning compatible
1995Oldsmobile88N/A
1995Oldsmobile98N/A
1995OldsmobileSilhouetteN/A
1995PontiacBonnevilleN/A
1995PontiacTrans Sport3.8LV6N/A
1994BuickLeSabreN/A
1994BuickPark AvenueN/A
1994BuickRegal3.8LV6N/A
1994ChevroletLumina APV3.8LV6N/ARear air conditioning compatible
1994Oldsmobile88N/A
1994Oldsmobile98N/A
1994OldsmobileSilhouette3.8LV6N/A
1994PontiacBonnevilleN/A
1994PontiacTrans Sport3.8LV6N/A
1993BuickCentury3.3LV6N/A
1993BuickLeSabreN/A
1993BuickPark AvenueN/A
1993BuickRegal3.8LV6N/A
1993BuickRivieraN/A
1993ChevroletLumina APV3.8LV6N/A
1993Oldsmobile88N/A
1993Oldsmobile98N/A
1993OldsmobileCutlass Ciera3.3LV6N/A
1993OldsmobileSilhouette3.8LV6N/A
1993PontiacBonnevilleN/A
1993PontiacTrans Sport3.8LV6N/A
1992BuickCentury3.3LV6N/A
1992BuickLeSabreN/A
1992BuickPark AvenueN/A
1992BuickRegal3.8LV6N/A
1992BuickRivieraN/A
1992ChevroletLumina APV3.8LV6N/A
1992Oldsmobile88N/A
1992Oldsmobile98N/A
1992OldsmobileCutlass Ciera3.3LV6N/A
1992OldsmobileSilhouette3.8LV6N/A
1992OldsmobileToronadoN/A
1992PontiacBonnevilleN/A
1992PontiacTrans Sport3.8LV6N/A
1991BuickCentury3.3LV6N/A
1991BuickLeSabreN/A
1991BuickPark AvenueN/A
1991BuickReattaN/A
1991BuickRegal3.8LV6N/A
1991BuickRivieraN/A
1991Oldsmobile98N/A
1991OldsmobileCutlass Ciera3.3LV6N/A
1991OldsmobileDelta 88N/A
1991OldsmobileToronadoN/A
1991PontiacBonnevilleN/A
1990BuickCentury3.3LV6N/A
1990BuickLeSabre3.8LV6N/A
1990BuickReattaN/A
1990BuickRegal3.8LV6N/A
1990BuickRivieraN/A
1990Oldsmobile98N/A
1990OldsmobileCutlass Ciera3.3LV6N/A
1990OldsmobileDelta 88N/A
1990OldsmobileToronadoN/A
1990PontiacBonnevilleN/A
1989BuickCentury3.3LV6N/A
1989BuickLeSabre3.8LV6N/A
1989BuickReattaN/A
1989BuickRivieraN/A
1989Oldsmobile98N/A
1989OldsmobileCutlass Ciera3.3LV6N/A
1989OldsmobileDelta 88N/A
1989OldsmobileToronadoN/A
1989PontiacBonnevilleN/A
1988BuickCentury3.8LV6N/A
1988BuickLeSabre3.8LV6N/A
1988BuickReattaN/A
1988BuickRivieraN/A
1988Oldsmobile98N/A
1988OldsmobileCutlass Ciera3.8LV6N/A
1988OldsmobileDelta 88N/A
1988OldsmobileToronadoN/A
1988PontiacBonnevilleN/A
1987BuickCentury3.8LV6N/A
1987BuickLeSabre3.8LV6N/A
1987BuickRivieraN/A
1987Oldsmobile98N/A
1987OldsmobileCutlass Ciera3.8LV6N/A
1987OldsmobileDelta 88N/A
1987OldsmobileToronadoN/A
1987PontiacBonnevilleN/A
1986BuickCentury3.8LV6N/A
1986BuickLeSabre3.8LV6N/A
1986BuickLeSabre3.0LV6N/A
1986BuickRivieraN/A
1986Oldsmobile98N/A
1986OldsmobileCalais3.0LV6N/A
1986OldsmobileCutlass Ciera3.8LV6N/A
1986OldsmobileDelta 88N/A
1986OldsmobileToronadoN/A
1986PontiacGrand Am3.0LV6N/A
1985BuickLeSabre3.8LV6N/A
1985BuickLeSabre5.0LV8N/A
1985OldsmobileCalais3.0LV6N/A
1985PontiacGrand Am3.0LV6N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.

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